JP2605166Y2 - Power rod for heavy electricity - Google Patents
Power rod for heavy electricityInfo
- Publication number
- JP2605166Y2 JP2605166Y2 JP1993020193U JP2019393U JP2605166Y2 JP 2605166 Y2 JP2605166 Y2 JP 2605166Y2 JP 1993020193 U JP1993020193 U JP 1993020193U JP 2019393 U JP2019393 U JP 2019393U JP 2605166 Y2 JP2605166 Y2 JP 2605166Y2
- Authority
- JP
- Japan
- Prior art keywords
- electrode rod
- rod
- connection terminal
- heavy
- plating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、送電経路の柱上開閉器
等に装備され、開閉器の内部と外部を接続して通電する
ための重電用通電棒に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heavy-current power supply rod which is mounted on a pole switch on a power transmission path and connects the inside and the outside of the switch to supply electricity.
【０００２】[0002]
【従来の技術】重電用通電棒は電極棒の一端に接続端子
を設けたものであるが、電極棒の形状や寸法等に各種の
ものが存在するので、従来から図３に示すように電極棒
１と接続端子２とを別々に製造し、ネジ切り加工を施し
た電極棒１の一端に接続端子２をカシメ加工により取付
ている。2. Description of the Related Art A heavy-duty current-carrying rod has a connection terminal provided at one end of an electrode rod. However, since there are various kinds of electrode rods having different shapes and dimensions, conventionally, as shown in FIG. The electrode rod 1 and the connection terminal 2 are separately manufactured, and the connection terminal 2 is attached to one end of the threaded electrode rod 1 by caulking.
【０００３】このように構成された通電棒は、開閉器の
外箱との絶縁を保持するため、図４に示すように、電極
棒１の部分をブッシング５に挿着した状態で開閉器に装
備される。尚、電極棒１とブッシング５の相対的な回動
を防止するために、電極棒１の接続端子２よりに押え金
４が取付られる。又、電極棒１とブッシング５の間には
隙間が存在するが、通常は気密に封止されたガスシール
ド６等とすることにより、外気から保護されている。In order to maintain insulation of the switch from the outer case of the switch, the current-carrying rod configured as described above is connected to the switch with the electrode rod 1 inserted into the bushing 5 as shown in FIG. Be equipped. In order to prevent the electrode rod 1 and the bushing 5 from rotating relative to each other, a presser foot 4 is attached to the connection terminal 2 of the electrode rod 1. Although there is a gap between the electrode rod 1 and the bushing 5, it is usually protected from the outside air by using a gas shield 6 or the like which is hermetically sealed.
【０００４】しかし、従来の通電棒は、開閉器等に装備
して使用される状態において、電極棒１の大部分はガス
シールド６により保護されているが、接続端子２側は常
に外気にさらされることになる。その結果、電極棒１と
接続端子２のカシメ加工部３が外気に触れて腐食等によ
り劣化し、電気抵抗が著しく増大して導電性を低下させ
るという欠点があった。[0004] However, when the conventional current-carrying rod is used by being mounted on a switch or the like, most of the electrode rod 1 is protected by the gas shield 6, but the connection terminal 2 side is always exposed to the outside air. Will be. As a result, the crimped portions 3 of the electrode rods 1 and the connection terminals 2 are deteriorated due to corrosion or the like when exposed to outside air, and have a drawback that the electrical resistance is significantly increased and the conductivity is reduced.
【０００５】又、従来の通電棒は部品点数が多いため、
部品コストや組立工数を下げることが難しく、最終的な
製品コストの上昇を招くという問題点があった。[0005] In addition, since the conventional conducting rod has a large number of parts,
There is a problem that it is difficult to reduce the parts cost and the number of assembling steps, leading to an increase in the final product cost.
【０００６】[0006]
【考案が解決しようとする課題】通電棒の外気に触れる
カシメ加工部で劣化がおこるため導電性が低下するとい
う欠点を解決するには、全体を一体的に形成してカシメ
加工部をなくすことが考えられる。しかしながら、電極
棒の前端部、即ち開閉器内部に挿入される側の形状や寸
法には各種のものがあり、又電極棒と接続端子の材質が
異なる場合もあるので、全体を一体化することには多く
の困難が存在する。[Problem to be Solved by the Invention] In order to solve the drawback that the conductivity is reduced due to the deterioration of the crimped portion of the current-carrying rod that comes into contact with the outside air, the whole is integrally formed to eliminate the crimped portion. Can be considered. However, there are various shapes and dimensions of the front end of the electrode rod, that is, the side to be inserted into the switch inside, and the materials of the electrode rod and the connection terminal may be different. Has many difficulties.
【０００７】本考案は、かかる従来の事情に鑑み、ブッ
シングに挿着して開閉器等に装備した状態での外気によ
る劣化がなく、使用中における導電性の低下を防止し
て、長期間にわたって安定した品質を保証することがで
き、しかも電極棒の形状変化等にも従来と同様に対応で
きるうえ、製品の低コスト化が可能な重電用通電棒を提
供することを目的とする。The present invention has been made in consideration of the above-mentioned circumstances, and does not cause deterioration due to outside air in a state where it is inserted into a bushing and is mounted on a switch or the like. It is an object of the present invention to provide a heavy-duty current-carrying rod that can guarantee stable quality, can cope with a change in the shape of an electrode rod, and the like, as well as can reduce the cost of a product.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するた
め、本考案が提供する重電用電極棒は、電極棒をブッシ
ングに挿着して使用するもので、ブッシング挿着時にシ
ールド内に位置する個所で接合された前部電極棒と後部
電極棒とを具え、後部電極棒の他端に接続端子と押え金
を一体的に形成し、前部電極棒全体にＡｇメッキを施し
且つ一体的された後部電極棒、接続端子及び押え金の全
体にＳｎメッキを施し、前部電極棒と後部電極棒とをカ
シメ加工により接合したことを特徴とする。In order to achieve the above object, the heavy-duty electrode rod provided by the present invention is used by inserting the electrode rod into a bushing, and is located inside the shield when the bushing is inserted. The front electrode rod and the rear electrode rod joined at the place where the connection is to be made, the connection terminal and the presser foot are integrally formed at the other end of the rear electrode rod, and the entire front electrode rod is plated with Ag.
And all of the integrated rear electrode rod, connection terminal and presser foot
Apply Sn plating to the body and cover the front and rear electrode rods.
It is characterized by being joined by crimping .
【０００９】[0009]
【作用】本考案の通電棒においては、電極棒がブッシン
グ挿着時にシールド内に位置する個所で２つに分割され
ている。即ち、図１に示すように、電極棒１は２つに分
割された前部電極棒１ａと後部電極棒１ｂとからなり、
しかも前部電極棒１ａに接合されない後部電極棒１ｂの
他端には、接続端子２と押え金４が一体的に形成されて
いる。In the current-carrying rod according to the present invention, the electrode rod is divided into two parts at positions located inside the shield when the bushing is inserted. That is, as shown in FIG. 1, the electrode rod 1 is composed of a front electrode rod 1a and a rear electrode rod 1b divided into two parts.
Moreover, a connection terminal 2 and a presser foot 4 are integrally formed at the other end of the rear electrode rod 1b which is not joined to the front electrode rod 1a.
【００１０】使用に際して、前部電極棒１ａと後部電極
棒１ｂは図１のごとく互いにカシメ加工や溶接等により
接合され、接合部７は図２に示すようにブッシング５に
挿着した時、ガスシールド６等のシールド内に位置する
ようになっている。従って、接合部７は気密に保護され
て外気に触れることがないので、腐食等による劣化が生
じることがなく、長期間にわたって、例えば現状での最
低１０年の保証期間は勿論のことそれ以上にわたって、
導電性の低下等がおこらず、安定した品質を保証するこ
とができる。In use, the front electrode rod 1a and the rear electrode rod 1b are joined to each other by caulking or welding as shown in FIG. 1, and the joint 7 is inserted into the bushing 5 as shown in FIG. It is located inside a shield such as the shield 6. Therefore, since the joint 7 is air-tightly protected and does not come into contact with the outside air, it does not deteriorate due to corrosion or the like, and extends over a long period of time, for example, a warranty period of at least 10 years at present, and of course more ,
The conductivity does not decrease and stable quality can be guaranteed.
【００１１】又、後部電極棒１ｂに接続端子２と押え金
４を一体化してあるので、従来に比べて部品点数が少な
くなり、対応して組立工数も少なくなる結果、最終的な
製品コストをほぼ半減させることが可能である。Further, since the connecting terminal 2 and the presser foot 4 are integrated with the rear electrode rod 1b, the number of parts is reduced and the number of assembling steps is correspondingly reduced as compared with the prior art. It is possible to reduce it by almost half.
【００１２】更に、電極棒１の先端側は接点の有無を始
め、形状や寸法により幾つもの種類が存在するが、前部
電極棒１ａのみをこれらの形状等に対応して形成すれ
ば、これと別体の後部電極棒１ｂや接続端子２は同じ形
状のものを一体化して製造してよく、両者を適宜組み合
わせて接合することにより、従来と同様に電極棒１の形
状等の変化に簡単に対応できる。必要に応じて、接続端
子２を含めた後部電極棒１ｂ側の材質と、前部電極棒１
ａの材質を別にすることも可能である。Further, there are various types depending on the shape and size of the front end of the electrode rod 1, including the presence or absence of a contact, and if only the front electrode rod 1a is formed corresponding to these shapes and the like, this is The rear electrode rod 1b and the connection terminal 2 which are separate from the electrode rod 1 may be manufactured by integrating the same shape, and by appropriately combining them and joining them, the shape of the electrode rod 1 can be easily changed as in the related art. Can respond to. If necessary, the material of the rear electrode 1b including the connection terminal 2 and the front electrode 1
It is also possible to use a different material for a.
【００１３】尚、従来から、電極棒の先端側には開閉器
等との電気的接触のためＡｇメッキが施され、反対側の
接続端子には端子面の通電性を改善するためＳｎメッキ
が施されているが、本考案では前部電極棒１ａ全体にＡ
ｇメッキを、且つ一体化された後部電極棒１ｂ、接続端
子２及び押え金４の全体にＳｎメッキを施すことが好ま
しい。[0013] Conventionally, Ag plating is applied to the tip end of the electrode rod for electrical contact with a switch and the like, and Sn plating is applied to the connection terminal on the opposite side in order to improve the conductivity of the terminal surface. In the present invention, A is applied to the entire front electrode rod 1a.
g plating, and Sn plating is preferably applied to the whole of the integrated rear electrode rod 1b, connection terminal 2 and presser foot 4.
【００１４】接合部７の前部電極棒１ａ側及び／又は後
部電極棒１ｂ側にメッキがない場合には、接合部７をカ
シメ加工で接合すると隙間が生じやすく、そのため接合
部７の電気抵抗が増加して発熱したり、更にはガスシー
ルド６等で保護されていても腐食等が生じやすくなるか
らである。When there is no plating on the front electrode rod 1a side and / or the rear electrode rod 1b side of the joint 7, a gap is apt to be generated when the joint 7 is joined by caulking, so that the electric resistance of the joint 7 This causes heat to increase, and furthermore, corrosion and the like are liable to occur even if the gas shield 6 is protected.
【００１５】更に、Ａｇメッキした前部電極棒１ａとＳ
ｎメッキした後部電極棒１ｂを接合するに際して、接合
前に互いの接合すべき端部を接触させた状態で加熱する
か、若しくは接合後に加熱することにより、接合部７に
おいてＡｇメッキとＳｎメッキを合金化させることがで
きる。接合部７にＡｇ−Ｓｎ合金を形成することによ
り、接合部７の電気抵抗を合金化しない場合に比べて一
層小さくすることが可能であり、接合部７での導電性を
低下させない方法として特に有効である。Further, the Ag-plated front electrode rod 1a and S
When the n-plated rear electrode rod 1b is joined, the Ag plating and the Sn plating are performed at the joint 7 by heating with the ends to be joined together before joining, or by heating after joining. It can be alloyed. By forming the Ag—Sn alloy in the joint 7, the electric resistance of the joint 7 can be further reduced as compared with a case where the alloy is not alloyed. It is valid.
【００１６】[0016]
【実施例】銅からなる長い電極棒を２分割し、その一方
を図２に示す形状に切削加工して長さが１８４ｍｍの前
部電極棒１ａを製造した。又、２分割した電極棒の他方
を鍛造加工して、図２のごとく一端に接続端子２と押え
金４と一体化させた後部電極棒１ｂを製造した。この後
部電極棒１ｂの部分の長さは２４２ｍｍであった。EXAMPLE A long electrode rod made of copper was divided into two parts, one of which was cut into the shape shown in FIG. 2 to produce a front electrode rod 1a having a length of 184 mm. Also, the other of the two divided electrode rods was forged to produce a rear electrode rod 1b integrated with the connection terminal 2 and the presser foot 4 at one end as shown in FIG. The length of the rear electrode rod 1b was 242 mm.
【００１７】次に、前部電極棒１ａの接合すべき側の端
部に、後のカシメ加工のための雌ネジのネジ切りを行
い、その全体に厚さ１５μｍのＡｇメッキを施した後、
更にその先端部（接合されない側）にＣｕ−Ｗ系の接点
８を設けた。一方、一体化された後部電極棒１ｂと接続
端子２と押え金４については、後部電極棒１ｂの接合す
べき端部に雄ネジをネジ切りした後、全体に厚さ５μｍ
のＳｎメッキを施した。Next, the end of the front electrode bar 1a to be joined is threaded with a female screw for subsequent crimping, and the whole is plated with Ag with a thickness of 15 μm.
Further, a Cu-W-based contact 8 was provided at the tip (non-joined side). On the other hand, as for the integrated rear electrode rod 1b, connection terminal 2 and presser foot 4, after a male screw is threaded at the end of the rear electrode rod 1b to be joined, the entire thickness is 5 μm.
Was subjected to Sn plating.
【００１８】その後、前部電極棒１ａと後部電極棒１ｂ
をネジ部で螺合した後カシメ加工により接合し、接合部
７を高周波加熱又はスポット加熱等により部分的に７０
０℃に加熱した。その結果、接合部７で接している前部
電極棒１ａのＡｇメッキと、後部電極棒１ｂのＳｎメッ
キとが反応して合金化し、接合部７にＡｇ−Ｓｎ合金が
形成されていることが確認された。Thereafter, the front electrode rod 1a and the rear electrode rod 1b
Are screwed together with a screw portion and then joined by caulking, and the joined portion 7 is partially heated to 70
Heated to 0 ° C. As a result, the Ag plating of the front electrode rod 1a in contact with the joint 7 reacts with the Sn plating of the rear electrode rod 1b to form an alloy, and an Ag—Sn alloy is formed at the joint 7. confirmed.
【００１９】かくして得られた通電棒を、図２に示すご
とく、通常のブッシング５に挿着したところ、接合部７
はガスシールド６内に確実に位置していた。又、この通
電棒を、ブッシング５に挿着したまま開閉器（図示せ
ず）に取付け、実際に所定の電流を流して導電性をテス
トしたところ、電気的特性においても実用上全く問題な
いことが確認できた。The current-carrying rod thus obtained was inserted into a normal bushing 5 as shown in FIG.
Was securely located in the gas shield 6. Further, when the current-carrying rod was attached to a switch (not shown) while being inserted into the bushing 5 and a predetermined current was actually passed to test the conductivity, it was found that there was no practical problem in terms of electric characteristics. Was confirmed.
【００２０】[0020]
【考案の効果】本考案によれば、２分割した電極棒の片
方に必要な他の部品を一体化し、且つ２分割された両者
を接合して通電棒を形成するので、電極棒の形状変化等
にもフレキシブルに対応して合理的な製造ができるう
え、部品点数の削減と組立工数の低減による製品の低コ
スト化が可能である。According to the present invention, the necessary parts are integrated with one of the two divided electrode rods, and the two divided electrode rods are joined to form a current-carrying rod. In addition to being able to flexibly cope with the above-mentioned problems, reasonable production can be achieved, and the cost of products can be reduced by reducing the number of parts and the number of assembly steps.
【００２１】加えて、本考案によれば、ブッシングに挿
着して開閉器等に装備した状態で通電棒の接合部が外気
に触れることがないので、接合部の劣化による導電性の
低下を防止することができ、従来の保証期間以上の長期
間にわたって安定した品質を維持することができる。In addition, according to the present invention, the junction of the current-carrying rod does not come into contact with the outside air when it is inserted into the bushing and mounted on the switch or the like, so that the deterioration of the junction due to the deterioration of the junction is prevented. It is possible to maintain stable quality for a long period of time longer than the conventional warranty period.
【図１】本考案による重電用通電棒の一具体例を示す側
面図である。FIG. 1 is a side view showing a specific example of a heavy-current conducting rod according to the present invention.
【図２】本考案による別の形状の重電用通電棒をブッシ
ングに挿着した状態を示す一部切欠側面図である。FIG. 2 is a partially cut-away side view showing a state in which a current-carrying rod for heavy electricity of another shape according to the present invention is inserted into a bushing.
【図３】従来の重電用通電棒を示す側面図である。FIG. 3 is a side view showing a conventional current-carrying rod for heavy electricity.
【図４】従来の重電用通電棒をブッシングに挿着した状
態を示す一部切欠側面図である。FIG. 4 is a partially cutaway side view showing a state in which a conventional heavy electric power supply rod is inserted into a bushing.
１ 電極棒 ２ 接続端子 ３ カシメ加工部 ４ 押え金 ５ ブッシング ６ ガスシールド ７ 接合部 ８ 接点 DESCRIPTION OF SYMBOLS 1 Electrode rod 2 Connection terminal 3 Crimped part 4 Presser foot 5 Bushing 6 Gas shield 7 Joint 8 Contact
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H01H 33/00 - 33/26 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. 7 , DB name) H01H 33/00-33/26
Claims (2)
重電用通電棒において、ブッシング挿着時にシールド内
に位置する個所で接合された前部電極棒と後部電極棒と
を具え、後部電極棒の他端に接続端子と押え金を一体的
に形成し、前部電極棒全体にＡｇメッキを施し且つ一体
的された後部電極棒、接続端子及び押え金の全体にＳｎ
メッキを施し、前部電極棒と後部電極棒とをカシメ加工
により接合したことを特徴とする重電用電極棒。1. A heavy-duty current-carrying rod used by inserting an electrode rod into a bushing, comprising: a front electrode rod and a rear electrode rod joined at a position located in a shield when the bushing is inserted; The connection terminal and the presser foot are integrally formed at the other end of the electrode rod, and the entire front electrode rod is plated with Ag and integrated.
The entire rear electrode rod, connection terminal and presser foot
Plating, caulking front electrode rod and rear electrode rod
An electrode rod for heavy electricity, wherein the electrode rod is joined by:
ｇメッキとＳｎメッキが合金化していることを特徴とす
る、請求項１に記載の重電用電極棒。2. A joint between the front electrode rod and the rear electrode rod, wherein A
The heavy-duty electrode rod according to claim 1, wherein the g plating and the Sn plating are alloyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993020193U JP2605166Y2 (en) | 1993-03-26 | 1993-03-26 | Power rod for heavy electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993020193U JP2605166Y2 (en) | 1993-03-26 | 1993-03-26 | Power rod for heavy electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0673847U JPH0673847U (en) | 1994-10-18 |
| JP2605166Y2 true JP2605166Y2 (en) | 2000-06-26 |
Family
ID=12020347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993020193U Expired - Lifetime JP2605166Y2 (en) | 1993-03-26 | 1993-03-26 | Power rod for heavy electricity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2605166Y2 (en) |
-
1993
- 1993-03-26 JP JP1993020193U patent/JP2605166Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0673847U (en) | 1994-10-18 |
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